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24-09-2020
Mathematics

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Ten times the sum of half a number x and 9 is 12.

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24-09-2020

Answer:

(1/2)(x + 9) = 12

Step-by-step explanation:

"half of x and 9" would be (1/2)(x + 9), and this equals 12:

(1/2)(x + 9) = 12

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